
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>文件上传</title>
    <script type="application/javascript" src="${pageContext.request.contextPath}/js/jquery-3.6.0.js"> </script>
    <script type="application/javascript">
        $(function (){
            $("#upBtn").click(function (){
                if ($("#file").value===""){
                    alert("请选择文件上传！");
                }else{
                    $("form").submit();
                }
            });
        });
    </script>
    <style>
        #uploadDiv{
            padding: 30px;
            line-height: 30px;
        }
        #file{
            height: 30px;
            width: 260px;
            border: 1px solid black;
            outline: none;
        }
        #upBtn{
            height: 30px;
            width: 80px;
            border: 1px solid cornflowerblue;
            background-color: cornflowerblue;
        }
        #table{
            text-align: center;
        }
    </style>
</head>
<body>

    <div id="uploadDiv">
        <form method="post" id="form" enctype="multipart/form-data"
              action="${pageContext.request.contextPath}/save_upload.action">
        <span>实现文件上传：</span>
        <input type="file" id="file" name="file" /> <br/>
            <input type="button" value="上传文件" id="upBtn" />
        </form>

        <br/>

        <h3>文件下载列表</h3>
        <table style="width: 500px" id="table">
            <tr>
                <th width="80px">序号</th>
                <th width="220px">文件名称</th>
                <th>下载文件</th>
                <c:forEach var="file" varStatus="status" items="${requestScope.fileList}">
                    <tr>
                        <td>${status.count}</td>
                        <td>${file.name}</td>
            <td><a href="${pageContext.request.contextPath}${file.path}">下载</a></td>
                    </tr>
                </c:forEach>
            </tr>
        </table>



    </div>

</body>
</html>
